Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 441, listelenen: 81-100
-
Volatile and phenolic contents, antimicrobial and tyrosinase activities of two endemic species scorzonera pisidica and scorzonera sandrasica L. Grown in Turkey
(ACG Publications, 2022)Phytochemical analysis of two endemic Scorzonera pisidica Hub.-Mor. and Scorzonera sandrasica Hartvig & Strid species have not been mentioned before. In this work, volatile organic compounds, phenolic contents, antimicrobial, ... -
Synthesis of novel thiosemicarbazone derivatives as antidiabetic agent with enzyme kinetic studies and antioxidant activity
(Taylor & Francis Ltd., 2022)Novel thiosemicarbazone derivatives were synthesized via condensation reactions between the corresponding thiosemicarbazides and 4-(methylsulfonyl)acetophenone. The chemical structures of all compounds were elucidated by ... -
Synthesis and acetylcholinesterase enzyme inhibition properties of axially disubstituted silicon phthalocyanines and their quaternized derivatives
(Elsevier, 2022)In this paper, axial 1,3-bis[4-(4-acetylpiperazin-1-yl)phenoxy]propanoxy and {2-[4-(4-acetylpiperazin-1-yl)phenoxy]ethoxy}ethoxy groups substituted silicon(IV) phthalocyanines ( PP-D-Si, PP-OH2-Si) and their quaternized ... -
Versatile synthesis of rac- and meso-hydroxymethyl cyclohexenoids containing phenyl groups: alpha-/beta-glucosidase activities, inhibition kinetics and molecular docking studies
(Wiley, 2022)The effective strategy has been developed to synthesize a series of monophenyl and diphenyl carbasugar analogues, from the cycloadduct reaction of furan and maleic anhydride, containing halogen groups based on the conduritol ... -
Synthesis and in vitro alpha-glucosidase and cholinesterases inhibitory actions of watersoluble metallophthalocyanines bearing ({6-[3-(diethylamino)phenoxy]hexyl}oxy groups
(Scientific Technical Research Council Turkey, TÜBİTAK, 2022)In this paper, we have prepared peripherally tetra-({6-[3-(diethylamino)phenoxy]hexyl}oxy substituted cobalt(II), copper(II), manganese(III) phthalocyanines (3, 4, 5) and their water-soluble derivatives (3a, 4a, 5a). Then, ... -
Physical-chemical studies of new, versatile carbazole derivatives and zinc complexes: Their synthesis, investigation of in vitro inhibitory effects on alpha-glucosidase and human erythrocyte carbonic anhydrase I and II isoenzymes
(Wiley, 2022)In this study, two novel zinc-phthalocyanine complexes (4a and 6a), containing carbazole rings, were investigated. The first phthalocyanine 4a has been synthesized from 4-(2-(3-acetyl-9H-carbazol-9-yl)ethoxy at the peripheral ... -
Metallo-phthalocyanines containing triazole substituents: Synthesis, spectroscopic and photophysicochemical properties
(Taylor & Francis Ltd., 2022)Magnesium(II) (4), lead(II) (5) and zinc(II) (6) phthalocyanines were prepared. The structures of 4-6 were confirmed by the spectroscopic characterization such as FT-IR, H-1-NMR, MALDI-TOF mass, UV-vis and fluorescence ... -
Synthesis, characterization, photophysical and photochemical properties of peripherally tetra-1,2,4-triazol-3-ylthio substituted metal-free phthalocyanine and its zinc(II) and lead(II) derivatives
(Taylor & Francis Ltd., 2022)Phthalonitrile (3) including 4-(4-fluorophenyl)-5-(4-methoxyphenyl)-4H-1,2,4-triazole-3-thio substituent and its peripherally tetra substituted metal-free (4), zinc(II) (5) and lead(II) (6) phthalocyanine derivatives were ... -
Characteristics in the whole-genome sequence of Klebsiella pneumoniae ST147 from Turkey
(Akademia Kiado Zrt., 2022)The study aimed to analyze antibiotic resistance determinants in a carbapenem-resistant Klebsiella pneumoniae by whole-genome sequencing (WGS). K. pneumoniae was isolated from a urine sample and it was characterized by 16S ... -
Cobalt borophosphate on nickel foam as an electrocatalyst for water splitting
(Elsevier, 2022)One of the most critical steps in the transition to carbon-free energy systems is sustainable hydrogen evolution from water. In this research, a cobalt borophosphate crystalline compound consisting of phosphate and borate ... -
Occurrence of microplastics in herpetological museum collection: Grass snake (Natrix natrix [Linnaeus, 1758]) and dice anake (Natrix tessellata [Laurenti, 1769]) as model organisms
(Springer, 2022)Microplastics are plastic fragments with a size less than 5 mm in length. In addition to a threat to the marine environments where these are abundantly present, these have also started polluting freshwater ecosystems. ... -
Catalytic activity of palladium doped activated carbon from waste coffee on some environmental pollutants
(Elsevier, 2022)The presence of nitro compounds and such commercial dyes as Congo red, methylene blue, methyl orange and methyl red in water/wastewater causes environmental issues. The treatment of such industrial contaminants, new efficient ... -
Inhibition and purification of acetylcholinesterases from adults and nymphs of Ricania simulans (Walker, 1851) (Hemiptera: Ricaniidae)
(Springer, 2022)Ricania simulans (Walker, 1851) (Hemiptera: Ricaniidae) has been causing damage in agricultural areas along the eastern Black Sea coastline since 2006. As there are not enough studies on managing this pest, it continues ... -
Synthesis of quinazolinone derivatives containing an acyl hydrazone skeleton as potent anti-urease agents enzyme kinetic studies and anti-oxidant properties
(Sage Publications, 2022)This paper covers the synthesis, in vitro urease inhibition, enzyme kinetic parameters, and anti-oxidant studies of a novel series of quinazolinone derivatives containing an acyl hydrazone skeleton. Compounds 3a, 3b, 5a, ... -
Synthesis, structural, spectral, antioxidant, bioactivity and molecular docking investigations of a novel triazole derivative
(Taylor & Francis Ltd., 2021)The structural, spectroscopic and electronic properties of 4-(4-nitrophenyl)-5-(pyridin-3-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione have been analyzed by using single crystal X-ray diffraction (SCXRD), H-1 and C-13 NMR ... -
Chemical variation, antimicrobial, nitric oxide scavenging activities and tyrosinase inhibition of essential oils and solvent extracts from filipendula vulgaris moench growing in Turkey
(Shaheed Beheshti University, 2021)Volatile organic compositions of the essential oils (EOs), solid-phase microextraction (SPME) and SPME of n-hexane extracts from the flower and stem-leaf of Filipendula vulgaris (F. vulgaris) were analyzed by GC-FID/MS. A ... -
Synthesis of water-soluble BODIPY dyes and investigation of their DNA interaction properties and cytotoxicity/phototoxicity
(Wiley, 2021)In this study, water-soluble BODIPY dyes (BDPY-4, BDPY-5) bearing dimethylamino and diethylamino groups were synthesized for the first time. The DNA interaction and nuclease effect of two water-soluble BODIPY dyes were ... -
Design, synthesis and biological evaluation of water soluble and non-aggregated silicon phthalocyanines, naphthalocyanines against A549, SNU-398, SK-MEL128, DU-145, BT-20 and HFC cell lines as potential anticancer agents
(Elsevier, 2021)Cancer has become an important public problem in worldwide since cancer incidence and mortality are growing rapidly. In this study, water soluble and non-aggregated silicon (IV) phthalocyanines and naphthalocyanines ... -
Recent studies of nitrogen containing heterocyclic compounds as novel antiviral agents: A review
(Elsevier, 2021)N-heterocycles are important, not only because of their abundance, but above all because of their chemical, biological and technical significance. They play an important role in biological investigation such as anticancer, ... -
Evaluation of color stability of experimental dental composite resins prepared from Bis-EFMA, a novel monomer system
(Technical Assoc Photopolymers JAPAN, 2021)Color stabilities of experimental composite resins based on Bis-EFMA (a novel bisphenol A [BPA]-free monomer system) with 3M ESPE FiltekTM Z250 (FZ) and experimental composite resins based on bisphenol A-glycidyl methacrylate ...
